include/configs/amcc-common.h

   1 /*
   2  * (C) Copyright 2008, 2009
   3  * Stefan Roese, DENX Software Engineering, sr@denx.de.
   4  *
   5  * Common configuration options for all AMCC boards
   6  *
   7  * SPDX-License-Identifier:     GPL-2.0+
   8  */
   9
  10 #ifndef __AMCC_COMMON_H
  11 #define __AMCC_COMMON_H
  12
  13
  14 #define CONFIG_SYS_SDRAM_BASE           0x00000000      /* _must_ be 0          */
  15 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE    /* Start of U-Boot      */
  16 #define CONFIG_SYS_MONITOR_LEN          (0xFFFFFFFF - CONFIG_SYS_MONITOR_BASE + 1)
  17 #define CONFIG_SYS_MALLOC_LEN           (1 << 20)       /* Reserved for malloc  */
  18
  19 /*
  20  * UART
  21  */
  22 #define CONFIG_SYS_NS16550
  23 #define CONFIG_SYS_NS16550_SERIAL
  24 #ifndef CONFIG_DM_SERIAL
  25 #define CONFIG_SYS_NS16550_REG_SIZE     1
  26 #define CONFIG_SYS_NS16550_CLK          get_serial_clock()
  27 #endif
  28 #define CONFIG_BAUDRATE         115200
  29 #define CONFIG_SYS_BAUDRATE_TABLE  \
  30     {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
  31
  32 /*
  33  * I2C
  34  */
  35 #define CONFIG_SYS_I2C
  36 #define CONFIG_SYS_I2C_PPC4XX
  37 #define CONFIG_SYS_I2C_PPC4XX_CH0
  38 #define CONFIG_SYS_I2C_PPC4XX_SLAVE_0           0x7F
  39
  40 /*
  41  * Ethernet/EMAC/PHY
  42  */
  43 #define CONFIG_PPC4xx_EMAC
  44 #define CONFIG_MII                      /* MII PHY management           */
  45 #define CONFIG_NETCONSOLE               /* include NetConsole support   */
  46 #if defined(CONFIG_440)
  47 #define CONFIG_SYS_RX_ETH_BUFFER        32      /* number of eth rx buffers     */
  48 #else
  49 #define CONFIG_SYS_RX_ETH_BUFFER        16      /* number of eth rx buffers     */
  50 #endif
  51
  52 /*
  53  * Commands
  54  */
  55 #define CONFIG_CMD_ASKENV
  56 #if defined(CONFIG_440)
  57 #define CONFIG_CMD_CACHE
  58 #endif
  59 #define CONFIG_CMD_DHCP
  60 #define CONFIG_CMD_DIAG
  61 #define CONFIG_CMD_EEPROM
  62 #define CONFIG_CMD_GREPENV
  63 #define CONFIG_CMD_I2C
  64 #define CONFIG_CMD_IRQ
  65 #define CONFIG_CMD_MII
  66 #define CONFIG_CMD_PING
  67 #define CONFIG_CMD_REGINFO
  68
  69 /*
  70  * Miscellaneous configurable options
  71  */
  72 #define CONFIG_BOOTDELAY        5       /* autoboot after 5 seconds     */
  73 #define CONFIG_SYS_LONGHELP                     /* undef to save memory         */
  74 #if defined(CONFIG_CMD_KGDB)
  75 #define CONFIG_SYS_CBSIZE               1024    /* Console I/O Buffer Size      */
  76 #else
  77 #define CONFIG_SYS_CBSIZE               256     /* Console I/O Buffer Size      */
  78 #endif
  79 #define CONFIG_SYS_PBSIZE               (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
  80 #define CONFIG_SYS_MAXARGS              16      /* max number of command args   */
  81 #define CONFIG_SYS_BARGSIZE             CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size  */
  82
  83 #define CONFIG_SYS_MEMTEST_START        0x0400000 /* memtest works on           */
  84 #define CONFIG_SYS_MEMTEST_END          0x0C00000 /* 4 ... 12 MB in DRAM        */
  85
  86 #define CONFIG_SYS_LOAD_ADDR            0x100000  /* default load address       */
  87 #define CONFIG_SYS_EXTBDINFO                    /* To use extended board_into (bd_t) */
  88
  89 #define CONFIG_CMDLINE_EDITING          /* add command line history     */
  90 #define CONFIG_AUTO_COMPLETE            /* add autocompletion support   */
  91 #define CONFIG_LOOPW                    /* enable loopw command         */
  92 #define CONFIG_MX_CYCLIC                /* enable mdc/mwc commands      */
  93 #define CONFIG_ZERO_BOOTDELAY_CHECK     /* check for keypress on bootdelay==0 */
  94 #define CONFIG_VERSION_VARIABLE         /* include version env variable */
  95 #define CONFIG_SYS_CONSOLE_INFO_QUIET   /* don't print console @ startup*/
  96
  97 #define CONFIG_SYS_HUSH_PARSER          /* Use the HUSH parser          */
  98
  99 #define CONFIG_LOADS_ECHO               /* echo on for serial download  */
 100 #define CONFIG_SYS_LOADS_BAUD_CHANGE    /* allow baudrate change        */
 101
 102 /*
 103  * BOOTP options
 104  */
 105 #define CONFIG_BOOTP_BOOTFILESIZE
 106 #define CONFIG_BOOTP_BOOTPATH
 107 #define CONFIG_BOOTP_GATEWAY
 108 #define CONFIG_BOOTP_HOSTNAME
 109 #define CONFIG_BOOTP_SUBNETMASK
 110
 111 /*
 112  * For booting Linux, the board info and command line data
 113  * have to be in the first 16 MB of memory, since this is
 114  * the maximum mapped by the 40x Linux kernel during initialization.
 115  */
 116 #define CONFIG_SYS_BOOTMAPSZ            (16 << 20) /* Initial Memory map for Linux */
 117 #define CONFIG_SYS_BOOTM_LEN            (16 << 20) /* Increase max gunzip size */
 118
 119 /*
 120  * Internal Definitions
 121  */
 122 #if defined(CONFIG_CMD_KGDB)
 123 #define CONFIG_KGDB_BAUDRATE    230400  /* speed to run kgdb serial port*/
 124 #endif
 125
 126 /*
 127  * Pass open firmware flat tree
 128  */
 129 #define CONFIG_OF_LIBFDT
 130 #define CONFIG_OF_BOARD_SETUP
 131 /* Update size in "reg" property of NOR FLASH device tree nodes */
 132 #define CONFIG_FDT_FIXUP_NOR_FLASH_SIZE
 133
 134 /*
 135  * Booting and default environment
 136  */
 137 #define CONFIG_PREBOOT  "echo;" \
 138         "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
 139         "echo"
 140 #define CONFIG_BOOTCOMMAND      "run flash_self"
 141
 142 /*
 143  * Only very few boards have default console not on ttyS0 (like Taishan)
 144  */
 145 #if !defined(CONFIG_USE_TTY)
 146 #define CONFIG_USE_TTY  ttyS0
 147 #endif
 148
 149 /*
 150  * Only very few boards have default netdev not set to eth0 (like Arches)
 151  */
 152 #if !defined(CONFIG_USE_NETDEV)
 153 #define CONFIG_USE_NETDEV       eth0
 154 #endif
 155
 156 /*
 157  * Only some 4xx PPC's are equipped with an FPU
 158  */
 159 #if defined(CONFIG_440EP) || defined(CONFIG_440EPX) || \
 160     defined(CONFIG_460EX) || defined(CONFIG_460GT)
 161 #define CONFIG_AMCC_DEF_ENV_ROOTPATH    "rootpath=/opt/eldk/ppc_4xxFP\0"
 162 #else
 163 #define CONFIG_AMCC_DEF_ENV_ROOTPATH    "rootpath=/opt/eldk/ppc_4xx\0"
 164 #endif
 165
 166 /*
 167  * Only some boards need to extend the bootargs by some additional
 168  * parameters (like Makalu)
 169  */
 170 #if !defined(CONFIG_ADDMISC)
 171 #define CONFIG_ADDMISC  "addmisc=setenv bootargs ${bootargs}\0"
 172 #endif
 173
 174 /*
 175  * General common environment variables shared on all AMCC eval boards
 176  */
 177 #define CONFIG_AMCC_DEF_ENV                                             \
 178         "netdev=" __stringify(CONFIG_USE_NETDEV) "\0"                           \
 179         "nfsargs=setenv bootargs root=/dev/nfs rw "                     \
 180                 "nfsroot=${serverip}:${rootpath}\0"                     \
 181         "ramargs=setenv bootargs root=/dev/ram rw\0"                    \
 182         "addip=setenv bootargs ${bootargs} "                            \
 183                 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"      \
 184                 ":${hostname}:${netdev}:off panic=1\0"                  \
 185         "addtty=setenv bootargs ${bootargs}"                            \
 186                 " console=" __stringify(CONFIG_USE_TTY) ",${baudrate}\0"        \
 187         CONFIG_ADDMISC                                                  \
 188         "initrd_high=30000000\0"                                        \
 189         "kernel_addr_r=1000000\0"                                       \
 190         "fdt_addr_r=1800000\0"                                          \
 191         "ramdisk_addr_r=1900000\0"                                      \
 192         "hostname=" __stringify(CONFIG_HOSTNAME) "\0"                           \
 193         "bootfile=" __stringify(CONFIG_HOSTNAME) "/uImage\0"                    \
 194         "ramdisk_file=" __stringify(CONFIG_HOSTNAME) "/uRamdisk\0"              \
 195         CONFIG_AMCC_DEF_ENV_ROOTPATH
 196
 197 /*
 198  * Default environment for arch/powerpc booting
 199  * for boards that are ported to arch/powerpc
 200  */
 201 #define CONFIG_AMCC_DEF_ENV_POWERPC                                     \
 202         "flash_self=run ramargs addip addtty addmisc;"                  \
 203                 "bootm ${kernel_addr} ${ramdisk_addr} ${fdt_addr}\0"    \
 204         "flash_nfs=run nfsargs addip addtty addmisc;"                   \
 205                 "bootm ${kernel_addr} - ${fdt_addr}\0"                  \
 206         "net_nfs=tftp ${kernel_addr_r} ${bootfile}; "                   \
 207                 "tftp ${fdt_addr_r} ${fdt_file}; "                      \
 208                 "run nfsargs addip addtty addmisc;"                     \
 209                 "bootm ${kernel_addr_r} - ${fdt_addr_r}\0"              \
 210         "net_self_load=tftp ${kernel_addr_r} ${bootfile};"              \
 211                 "tftp ${fdt_addr_r} ${fdt_file};"                       \
 212                 "tftp ${ramdisk_addr_r} ${ramdisk_file};\0"             \
 213         "net_self=run net_self_load;"                                   \
 214                 "run ramargs addip addtty addmisc;"                     \
 215                 "bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}\0" \
 216         "fdt_file=" __stringify(CONFIG_HOSTNAME) "/" __stringify(CONFIG_HOSTNAME) ".dtb\0"
 217
 218 /*
 219  * Default environment for arch/ppc booting,
 220  * for boards that are not ported to arch/powerpc yet
 221  */
 222 #define CONFIG_AMCC_DEF_ENV_PPC                                         \
 223         "flash_self=run ramargs addip addtty addmisc;"                  \
 224                 "bootm ${kernel_addr} ${ramdisk_addr}\0"                \
 225         "flash_nfs=run nfsargs addip addtty addmisc;"                   \
 226                 "bootm ${kernel_addr}\0"                                \
 227         "net_nfs=tftp ${kernel_addr_r} ${bootfile};"                    \
 228                 "run nfsargs addip addtty addmisc;"                     \
 229                 "bootm ${kernel_addr_r}\0"
 230
 231 /*
 232  * Default environment for arch/ppc booting (old version),
 233  * for boards that are ported to arch/ppc and arch/powerpc
 234  */
 235 #define CONFIG_AMCC_DEF_ENV_PPC_OLD                                     \
 236         "flash_self_old=run ramargs addip addtty addmisc;"              \
 237                 "bootm ${kernel_addr} ${ramdisk_addr}\0"                \
 238         "flash_nfs_old=run nfsargs addip addtty addmisc;"               \
 239                 "bootm ${kernel_addr}\0"                                \
 240         "net_nfs_old=tftp ${kernel_addr_r} ${bootfile};"                \
 241                 "run nfsargs addip addtty addmisc;"                     \
 242                 "bootm ${kernel_addr_r}\0"
 243
 244 #define CONFIG_AMCC_DEF_ENV_NOR_UPD                                     \
 245         "u-boot=" __stringify(CONFIG_HOSTNAME) "/u-boot.bin\0"          \
 246         "load=tftp 200000 ${u-boot}\0"                                  \
 247         "update=protect off " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;" \
 248                 "era " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;"        \
 249                 "cp.b ${fileaddr} " __stringify(CONFIG_SYS_MONITOR_BASE) " ${filesize}\0" \
 250         "upd=run load update\0"                                         \
 251
 252 #endif /* __AMCC_COMMON_H */